rules.mk

   1 #
   2 # Copyright (C) 2006-2010 OpenWrt.org
   3 # Copyright (C) 2016 LEDE Project
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 ifneq ($(__rules_inc),1)
  10 __rules_inc=1
  11
  12 ifeq ($(DUMP),)
  13   -include $(TOPDIR)/.config
  14 endif
  15 include $(TOPDIR)/include/debug.mk
  16 include $(TOPDIR)/include/verbose.mk
  17
  18 export TMP_DIR:=$(TOPDIR)/tmp
  19
  20 qstrip=$(strip $(subst ",,$(1)))
  21 #"))
  22
  23 empty:=
  24 space:= $(empty) $(empty)
  25 comma:=,
  26 merge=$(subst $(space),,$(1))
  27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  29
  30 paren_left = (
  31 paren_right = )
  32 chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
  33 chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  34
  35 define sep
  36
  37 endef
  38
  39 define newline
  40
  41
  42 endef
  43
  44 __tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
  45 __tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
  46 __tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
  47 __tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
  48 __tr_template = $(__tr_head)$$(1)$(__tr_tail)
  49
  50 $(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
  51 $(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
  52
  53 _SINGLE=export MAKEFLAGS=$(space);
  54 CFLAGS:=
  55 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  56 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  57 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  58 SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
  59 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  60 export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
  61 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  62 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  63 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  64 BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  65 export SHELL:=/usr/bin/env bash
  66
  67 IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
  68
  69 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  70
  71 ifeq ($(ARCH),powerpc)
  72   FPIC:=-fPIC
  73 else
  74   FPIC:=-fpic
  75 endif
  76
  77 HOST_FPIC:=-fPIC
  78
  79 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  80 GCC_ARCH:=
  81
  82 ifneq ($(ARCH_SUFFIX),)
  83   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  84 endif
  85 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  86   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  87 endif
  88 ifdef CONFIG_HAS_SPE_FPU
  89   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  90 endif
  91 ifdef CONFIG_MIPS64_ABI
  92   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  93      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  94   endif
  95 endif
  96
  97 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  98 OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
  99 BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
 100 INCLUDE_DIR:=$(TOPDIR)/include
 101 SCRIPT_DIR:=$(TOPDIR)/scripts
 102 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 103 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 104   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
 105   LIBC:=$(call qstrip,$(CONFIG_LIBC))
 106   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 107   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 108   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 109   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 110   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
 111   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 112   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 113 else
 114   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 115     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 116   else
 117     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 118   endif
 119   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 120   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 121   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 122 endif
 123
 124 ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
 125   iremap = -iremap $(1):$(2)
 126 endif
 127
 128 PACKAGE_DIR:=$(BIN_DIR)/packages
 129 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 130 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 131 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 132 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 133 STAMP_DIR:=$(BUILD_DIR)/stamp
 134 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 135 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 136 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 137 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 138 BUILD_LOG_DIR:=$(TOPDIR)/logs
 139 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 140
 141 BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
 142 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 143
 144 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 145 TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
 146 TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
 147 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 148 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 149 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 150 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 151 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 152 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 153 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 154 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 155 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 156 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 157 else
 158 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 159 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 160 endif
 161 LIBRPC=-lrpc
 162 LIBRPC_DEPENDS=+librpc
 163
 164 ifeq ($(CONFIG_ARCH_64BIT),y)
 165   LIB_SUFFIX:=64
 166 endif
 167
 168 ifndef DUMP
 169   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 170     -include $(TOOLCHAIN_DIR)/info.mk
 171     export GCC_HONOUR_COPTS:=0
 172     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 173     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
 174     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 175     ifeq ($(CONFIG_USE_MUSL),y)
 176       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 177     endif
 178     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 179     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 180     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 181   else
 182     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 183       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 184       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 185       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 186       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 187       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 188       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 189         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 190       endif
 191       ifneq ($(TOOLCHAIN_INC_DIRS),)
 192         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 193       endif
 194       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 195         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 196       endif
 197       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 198     endif
 199   endif
 200 endif
 201 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 202
 203 ifeq ($(CONFIG_SOFT_FLOAT),y)
 204   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 205   ifeq ($(CONFIG_arm),y)
 206     TARGET_CFLAGS+= -mfloat-abi=soft
 207   else
 208     TARGET_CFLAGS+= -msoft-float
 209   endif
 210 else
 211   SOFT_FLOAT_CONFIG_OPTION:=
 212   ifeq ($(CONFIG_arm),y)
 213     TARGET_CFLAGS+= -mfloat-abi=hard
 214   endif
 215 endif
 216
 217 export PATH:=$(TARGET_PATH)
 218 export STAGING_DIR STAGING_DIR_HOST
 219 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 220
 221 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 222
 223 export PKG_CONFIG
 224
 225 HOSTCC:=gcc
 226 HOSTCXX:=g++
 227 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
 228 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 229 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
 230
 231 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 232   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 233   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 234   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 235 else
 236   TARGET_AR:=$(TARGET_CROSS)ar
 237   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 238   TARGET_NM:=$(TARGET_CROSS)nm
 239 endif
 240
 241 BUILD_KEY=$(TOPDIR)/key-build
 242
 243 TARGET_CC:=$(TARGET_CROSS)gcc
 244 TARGET_CXX:=$(TARGET_CROSS)g++
 245 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 246 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 247 CP:=cp -fpR
 248 LN:=ln -sf
 249 XARGS:=xargs -r
 250
 251 BASH:=bash
 252 TAR:=tar
 253 FIND:=find
 254 PATCH:=patch
 255 PYTHON:=python
 256
 257 INSTALL_BIN:=install -m0755
 258 INSTALL_DIR:=install -d -m0755
 259 INSTALL_DATA:=install -m0644
 260 INSTALL_CONF:=install -m0600
 261
 262 TARGET_CC_NOCACHE:=$(TARGET_CC)
 263 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 264 HOSTCC_NOCACHE:=$(HOSTCC)
 265 HOSTCXX_NOCACHE:=$(HOSTCXX)
 266 export TARGET_CC_NOCACHE
 267 export TARGET_CXX_NOCACHE
 268 export HOSTCC_NOCACHE
 269
 270 ifneq ($(CONFIG_CCACHE),)
 271   TARGET_CC:= ccache_cc
 272   TARGET_CXX:= ccache_cxx
 273   HOSTCC:= ccache $(HOSTCC)
 274   HOSTCXX:= ccache $(HOSTCXX)
 275 endif
 276
 277 TARGET_CONFIGURE_OPTS = \
 278   AR="$(TARGET_AR)" \
 279   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 280   LD=$(TARGET_CROSS)ld \
 281   NM="$(TARGET_NM)" \
 282   CC="$(TARGET_CC)" \
 283   GCC="$(TARGET_CC)" \
 284   CXX="$(TARGET_CXX)" \
 285   RANLIB="$(TARGET_RANLIB)" \
 286   STRIP=$(TARGET_CROSS)strip \
 287   OBJCOPY=$(TARGET_CROSS)objcopy \
 288   OBJDUMP=$(TARGET_CROSS)objdump \
 289   SIZE=$(TARGET_CROSS)size
 290
 291 # strip an entire directory
 292 ifneq ($(CONFIG_NO_STRIP),)
 293   RSTRIP:=:
 294   STRIP:=:
 295 else
 296   ifneq ($(CONFIG_USE_STRIP),)
 297     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 298   else
 299     ifneq ($(CONFIG_USE_SSTRIP),)
 300       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 301     endif
 302   endif
 303   RSTRIP= \
 304     export CROSS="$(TARGET_CROSS)" \
 305                 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
 306                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 307                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 308     NM="$(TARGET_CROSS)nm" \
 309     STRIP="$(STRIP)" \
 310     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 311     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 312     $(SCRIPT_DIR)/rstrip.sh
 313 endif
 314
 315 ifeq ($(CONFIG_IPV6),y)
 316   DISABLE_IPV6:=
 317 else
 318   DISABLE_IPV6:=--disable-ipv6
 319 endif
 320
 321 TAR_OPTIONS:=-xf -
 322
 323 ifeq ($(CONFIG_BUILD_LOG),y)
 324   BUILD_LOG:=1
 325 endif
 326
 327 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 328 export M4:=$(STAGING_DIR_HOST)/bin/m4
 329
 330 define shvar
 331 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 332 endef
 333
 334 define shexport
 335 export $(call shvar,$(1))=$$(call $(1))
 336 endef
 337
 338 define include_mk
 339 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 340 endef
 341
 342 # Execute commands under flock
 343 # $(1) => The shell expression.
 344 # $(2) => The lock name. If not given, the global lock will be used.
 345 ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
 346   define locked
 347         SHELL= \
 348         flock \
 349                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 350                 -c '$(subst ','\'',$(1))'
 351   endef
 352 else
 353   locked=$(1)
 354 endif
 355
 356 # Recursively copy paths into another directory, purge dangling
 357 # symlinks before.
 358 # $(1) => File glob expression
 359 # $(2) => Destination directory
 360 define file_copy
 361         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 362                 ( cd $$src_dir; find -type f -or -type d ) | \
 363                         ( cd $(2); while :; do \
 364                                 read FILE; \
 365                                 [ -z "$$FILE" ] && break; \
 366                                 [ -L "$$FILE" ] || continue; \
 367                                 echo "Removing symlink $(2)/$$FILE"; \
 368                                 rm -f "$$FILE"; \
 369                         done; ); \
 370         done; \
 371         $(CP) $(1) $(2)
 372 endef
 373
 374 # file extension
 375 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 376
 377 all:
 378 FORCE: ;
 379 .PHONY: FORCE
 380
 381 val.%:
 382         @$(if $(filter undefined,$(origin $*)),\
 383                 echo "$* undefined" >&2, \
 384                 echo '$(subst ','"'"',$($*))' \
 385         )
 386
 387 var.%:
 388         @$(if $(filter undefined,$(origin $*)),\
 389                 echo "$* undefined" >&2, \
 390                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 391         )
 392
 393 endif #__rules_inc